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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef nsMixedContentBlocker_h___
#define nsMixedContentBlocker_h___
/* daf1461b-bf29-4f88-8d0e-4bcdf332c862 */
{ \
0xdaf1461b, 0xbf29, 0x4f88, { \
0x8d, 0x0e, 0x4b, 0xcd, 0xf3, 0x32, 0xc8, 0x62 \
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// This enum defines type of content that is detected when an
// nsMixedContentEvent fires
enum MixedContentTypes {
// "Active" content, such as fonts, plugin content, JavaScript, stylesheets,
// iframes, WebSockets, and XHR
// "Display" content, such as images, audio, video, and <a ping>
#include "nsIContentPolicy.h"
#include "nsIChannel.h"
#include "nsIChannelEventSink.h"
#include "imgRequest.h"
using mozilla::OriginAttributes;
class nsILoadInfo; // forward declaration
namespace mozilla::net {
class nsProtocolProxyService; // forward declaration
} // namespace mozilla::net
class nsMixedContentBlocker : public nsIContentPolicy,
public nsIChannelEventSink {
virtual ~nsMixedContentBlocker();
nsMixedContentBlocker() = default;
// See:
static bool IsPotentiallyTrustworthyLoopbackHost(
const nsACString& aAsciiHost);
static bool IsPotentiallyTrustworthyLoopbackURL(nsIURI* aURL);
static bool IsPotentiallyTrustworthyOnion(nsIURI* aURL);
static bool IsPotentiallyTrustworthyOrigin(nsIURI* aURI);
* Returns true if the provided content policy type is subject to the
* mixed content level 2 upgrading mechanism (audio, video, image).
static bool IsUpgradableContentType(nsContentPolicyType aType);
/* Static version of ShouldLoad() that contains all the Mixed Content Blocker
* logic. Called from non-static ShouldLoad().
* Called directly from imageLib when an insecure redirect exists in a cached
* image load.
* @param aHadInsecureImageRedirect
* boolean flag indicating that an insecure redirect through http
* occured when this image was initially loaded and cached.
* @param aReportError
* boolean flag indicating if a rejection should automaticly be
* logged into the Console.
* Remaining parameters are from nsIContentPolicy::ShouldLoad().
static nsresult ShouldLoad(bool aHadInsecureImageRedirect,
nsIURI* aContentLocation, nsILoadInfo* aLoadInfo,
const nsACString& aMimeGuess, bool aReportError,
int16_t* aDecision);
static void AccumulateMixedContentHSTS(
nsIURI* aURI, bool aActive, const OriginAttributes& aOriginAttributes);
static bool URISafeToBeLoadedInSecureContext(nsIURI* aURI);
static void OnPrefChange(const char* aPref, void* aClosure);
static void GetSecureContextAllowList(nsACString& aList);
static void Shutdown();
static bool sSecurecontextAllowlistCached;
static nsCString* sSecurecontextAllowlist;
#endif /* nsMixedContentBlocker_h___ */